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* Add pytest and pytest-asyncio to the requirements * Update aiohttp ext test * Update setup.cfg * Update tox.ini * Add pytest to the tox requirements * Update tox.ini * Move configuration to tox.ini * Add pytest configs * Rename pytest-py34-py35.ini -> pytest-py35.ini * Update config file paths * Update makefile * Migrate common tests to pytest * Migrate FastAPI and Flask wiring tests * Rename flask and fastapi wiring test files * Move wiring autoloader tests * Add pytest-asyncio to the tox.ini * Migrate wiring async injection tests * Migrate main wiring tests * Migrate wiring string module and package names tests * Migrate wiring config tests * Migrate misc wiring tests * Update tests structure * Migrate misc wiring tests * Refactor container.from_schema() API tests * Migrate container.from_schema() integration tests * Rename schema samples * Update sample imports * Migrate container tests * Refactor container tests * Migrate container self tests * Migrate container instance tests * Migrate container custom string attribute name tests * Migrate container async resource tests * Fix py2 container tests * Migrate container cls tests * Migrate container class custom string cls as atrribute name tests * Migrate ext.aiohttp tests * Migrate ext.flasks tests * Update ext package tests doc block * Migrate provider utils tests * Migrate Factory async mode tests * Migrate async tests * Rename common test module * Refactor asserts in provider tests * Migrate factory tests * Migrate selector provider tests * Migrate object provider tests * Migrate self provider tests * Migrate delegate provider tests * Migrate provider tests * Migrate dependency provider tests * Migrate dependencies container provider tests * Fix warnings * Migrate list provider tests * Migrate dict provider tests * Migrate callable tests * Migrate injection tests * Migrate container provider tests * Migrate coroutine providers * Migrate traversal tests * Migrate resource tests * Migrate configuration tests * Migrate provided instance provider tests * Update doc blocks and imports * Migrate singleton tests * Update changelog and cosmetic fixes
118 lines
2.9 KiB
Python
118 lines
2.9 KiB
Python
"""Singleton provider async mode tests."""
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import asyncio
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import random
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from dependency_injector import providers
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from pytest import mark, raises
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from .common import RESOURCE1, RESOURCE2, BaseContainer, Client, Service
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@mark.asyncio
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async def test_injections():
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class ContainerWithSingletons(BaseContainer):
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client = providers.Singleton(
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Client,
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resource1=BaseContainer.resource1,
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resource2=BaseContainer.resource2,
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)
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service = providers.Singleton(
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Service,
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client=client,
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)
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container = ContainerWithSingletons()
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client1 = await container.client()
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client2 = await container.client()
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assert isinstance(client1, Client)
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assert client1.resource1 is RESOURCE1
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assert client1.resource2 is RESOURCE2
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assert isinstance(client2, Client)
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assert client2.resource1 is RESOURCE1
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assert client2.resource2 is RESOURCE2
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service1 = await container.service()
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service2 = await container.service()
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assert isinstance(service1, Service)
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assert isinstance(service1.client, Client)
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assert service1.client.resource1 is RESOURCE1
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assert service1.client.resource2 is RESOURCE2
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assert isinstance(service2, Service)
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assert isinstance(service2.client, Client)
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assert service2.client.resource1 is RESOURCE1
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assert service2.client.resource2 is RESOURCE2
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assert service1 is service2
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assert service1.client is service2.client
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assert service1.client is client1
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assert service2.client is client2
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assert client1 is client2
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@mark.asyncio
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async def test_async_mode():
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instance = object()
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async def create_instance():
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return instance
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provider = providers.Singleton(create_instance)
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instance1 = await provider()
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instance2 = await provider()
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assert instance1 is instance2
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assert instance1 is instance
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assert instance2 is instance
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@mark.asyncio
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async def test_concurrent_init():
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async def create_instance():
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await asyncio.sleep(random.randint(1, 10) / 1000)
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return object()
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provider = providers.Singleton(create_instance)
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future_instance1 = provider()
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future_instance2 = provider()
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instance1, instance2 = await asyncio.gather(future_instance1, future_instance2)
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instance3 = await provider()
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assert instance1 is instance2 is instance3
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@mark.asyncio
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async def test_async_init_with_error():
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async def create_instance():
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create_instance.counter += 1
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raise RuntimeError()
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create_instance.counter = 0
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provider = providers.Singleton(create_instance)
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future = provider()
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assert provider.is_async_mode_enabled() is True
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with raises(RuntimeError):
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await future
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assert create_instance.counter == 1
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assert provider.is_async_mode_enabled() is True
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with raises(RuntimeError):
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await provider()
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assert create_instance.counter == 2
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assert provider.is_async_mode_enabled() is True
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